docs: add skill visual agent demo video to home README

README.md

@@ -54,6 +54,11 @@ A collection of enhancements, plugins, and prompts for [OpenWebUI](https://githu
 - **📊 Interactive Delivery**: Professional **File Delivery Protocol** for instant HTML artifacts and persistent downloadable results.
 - **🛠️ Deterministic Toolchain**: Built-in specialized tools for skill lifecycles (`manage_skills`) and system optimization.
 
+#### 📺 Demo: Visual Skills & Data Analysis
+
+![GitHub Copilot SDK Skill Demo](./docs/assets/videos/skill_visual_agents.mov)
+> *In this demo, the Agent installs a visual enhancement skill and automatically generates an interactive dashboard from World Cup data.*
+
 #### 🌟 Featured Real-World Cases
 
 - **[GitHub Star Forecasting](./docs/plugins/pipes/star-prediction-example.md)**: Automatically parsing CSV data, writing analysis scripts, and generating interactive growth dashboards.

README_CN.md

@@ -51,6 +51,11 @@ OpenWebUI 增强功能集合。包含个人开发与收集的插件、提示词
 - **📊 交互交付**: 专业 **文件交付协议**，支持即时预览交互式 HTML Artifacts 与持久化结果下载。
 - **🛠️ 确定性工具链**: 内置 `manage_skills` 等专业工具，赋予 Agent 完整的技能生命周期管理能力。
 
+#### 📺 演示：可视化技能与数据分析
+
+![GitHub Copilot SDK 技能演示](./docs/assets/videos/skill_visual_agents.mov)
+> *在此演示中，Agent 自动安装可视化增强技能，并根据世界杯表格数据瞬间生成交互式看板。*
+
 #### 🌟 核心实战案例
 
 - **[GitHub Star 增长预测](./docs/plugins/pipes/star-prediction-example.zh.md)**：自动解析 CSV 数据，编写 Python 分析脚本并生成动态增长看板。